Eckenfelder, W. W. (1970). Water quality engineering for practicing engineers. Barnes & Noble.
Chicago-viite (17. p.)Eckenfelder, W. Wesley. Water Quality Engineering for Practicing Engineers. New York: Barnes & Noble, 1970.
MLA-viite (9. p.)Eckenfelder, W. Wesley. Water Quality Engineering for Practicing Engineers. Barnes & Noble, 1970.
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